// 按钮“全部关闭”执行方法
function closeAllTab() {
    var len = parent.$(‘#tt‘).tabs(‘tabs‘).length;
    var currentIndex = parent.$(‘#tt‘).tabs(‘getTabIndex‘, parent.$(‘#tt‘).tabs(‘getSelected‘));
    if (len !== currentIndex) {
        for (var i = 0; i < len - currentIndex - 1; i++) {
            closeTab(currentIndex + 1, parent.$(‘#tt‘));
        }
    }
    
    for (var i = 0; i < len - 1; i++) {
        closeTab(1, parent.$(‘#tt‘));
    }
    parent.$("#tt").tabs(‘select‘, 0);
}
// 关闭tab
function closeTab(i, $tab) {
    var tab = $tab.tabs(‘getTab‘, i), title = tab.panel(‘options‘).title;
    $tab.tabs(‘close‘, title);
}